package lab02.Test32;

import java.util.HashMap;
import java.util.Map;

/**
 * Created by 卡01 on 2017/11/9.
 */
public class Test {
    public static void main(String[] args) {
        Map<String ,String> person = new HashMap<>();
        person.put("id","1");
        person.put("name","张三");
        person.put("gender","男");
        person.put("age","25");
        person.put("love","爱学Java");
        for (Map.Entry<String,String> entry :person.entrySet()){
            System.out.println(entry.getKey()+","+entry.getValue());
        }
        System.out.println("map集合的大小是："+person.size());
                for (Map.Entry<String,String> entry :person.entrySet()){
                    if (entry.getKey().equals("age")){
                        person.remove(entry.getKey());

                    }

        }
        System.out.println("map集合的大小是："+person.size());
    }

}
